12765800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 32140800

約数和(自身を除く): 19375000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 31, 40, 50, 58, 62, 71, 100, 116, 124, 142, 145, 155, 200, 232, 248, 284, 290, 310, 355, 568, 580, 620, 710, 725, 775, 899, 1160, 1240, 1420, 1450, 1550, 1775, 1798, 2059, 2201, 2840, 2900, 3100, 3550, 3596, 4118, 4402, 4495, 5800, 6200, 7100, 7192, 8236, 8804, 8990, 10295, 11005, 14200, 16472, 17608, 17980, 20590, 22010, 22475, 35960, 41180, 44020, 44950, 51475, 55025, 63829, 82360, 88040, 89900, 102950, 110050, 127658, 179800, 205900, 220100, 255316, 319145, 411800, 440200, 510632, 638290, 1276580, 1595725, 2553160, 3191450, 6382900, 12765800]

約数ペア:

[(1, 12765800), (2, 6382900), (4, 3191450), (5, 2553160), (8, 1595725), (10, 1276580), (20, 638290), (25, 510632), (29, 440200), (31, 411800), (40, 319145), (50, 255316), (58, 220100), (62, 205900), (71, 179800), (100, 127658), (116, 110050), (124, 102950), (142, 89900), (145, 88040), (155, 82360), (200, 63829), (232, 55025), (248, 51475), (284, 44950), (290, 44020), (310, 41180), (355, 35960), (568, 22475), (580, 22010), (620, 20590), (710, 17980), (725, 17608), (775, 16472), (899, 14200), (1160, 11005), (1240, 10295), (1420, 8990), (1450, 8804), (1550, 8236), (1775, 7192), (1798, 7100), (2059, 6200), (2201, 5800), (2840, 4495), (2900, 4402), (3100, 4118), (3550, 3596)]